72366822501 has 16 divisors (see below), whose sum is σ = 100776161664. Its totient is φ = 46104844544.

The previous prime is 72366822497. The next prime is 72366822511. The reversal of 72366822501 is 10522866327.

It is a cyclic number.

It is not a de Polignac number, because 72366822501 - 2² = 72366822497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72366822511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402336 + ... + 553721.

It is an arithmetic number, because the mean of its divisors is an integer number (6298510104).

Almost surely, 2^72366822501 is an apocalyptic number.

It is an amenable number.

72366822501 is a deficient number, since it is larger than the sum of its proper divisors (28409339163).

72366822501 is a wasteful number, since it uses less digits than its factorization.

72366822501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957180.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 72366822501 in words is "seventy-two billion, three hundred sixty-six million, eight hundred twenty-two thousand, five hundred one".